it's independent of the effects of aging or noisy environments. >>> researchers in canada say there's no need to fast before taking blood tests to determine blood cholesterol levels. they found results on patients who did not fast were accurate as long as the doctors knew the hour of the patient's last meal. >>> you're trying to quit smoking? well, there may be an app for that some day. resevers in new zealand say smartphones could be a new tool to help smokers quit. they found smokers who received motivational text messages are more likely to stay away from cigarettes. that's kind of interesting. >>> time now for the question of the morning. >> what word most married couples use to describe their spouse? is it a, understanding, b, stubborn, c, forgetful? >> they don't sound very nice. log on to our facebook fan page. we'd love to hear what you think. we'll have the answer in our 6:00 hour. we're also giving away tickets to "les miserables." all you have to do is answer the question of the day correctly. we'll put your name in a hat and randomly draw a name every day. "les miserables"